Table 1

Patient characteristics

VARIABLES AT PRESENTATIONPATIENTS TAKING OAC (N = 65)CONTROL PATIENTS (N = 250)P VALUE
Mean age, y (95% CI)71 (44–98)64 (35–93).09
Mean arterial pressure, mm Hg (95% CI)132 (91–173)107 (76–138).01*
Median Glasgow Coma Scale score (interquartile range)14 (13–15)13 (8–15).15
Mean INR (95% CI)2.6 (1.2–4.0)†1.0 (0.8–1.2).01

  • CI—confidence interval, INR—international normalized ratio, OAC—oral anticoagulation.

  • ↵* Statistically significant by Student t test, P < .05.

  • ↵† Of the patients taking OAC, 19 had INRs < 2, 38 had INRs between 2 and 3, and 8 had INRs > 3.